Tag Archives: bombardment

Once the Earth was fully formed about 4.5 billion years ago, its subsequent evolution was governed by complex geophysical processes. The planet, however, was not in isolation from the rest of the Solar System, and these processes were strongly affected by interplanetary collisions for hundreds of million years. Planetary scientists …

Isn’t it funny how often things “everyone knows” turn out to be just part of the story? This might be stretching the definition of “everyone” a little bit, but bear with me: It’s been scientific consensus that much of the material that hit the Earth during the Late Heavy Bombardment …